March 25, 2020
Description
This holds a standard single edge razor blade to slit foam for use on Covid UP Tulsa face masks. PLEASE TAPE UP EXPOSED BLADE EDGES! Fusion 360 design is included if you need to modify for printer tolerances.
COVID UP Tulsa shield https://www.thingiverse.com/thing:4236924
License:
Creative Commons - Public Domain Dedication
andrewsharmon
![Retracc: The Retractable Karambit Knife [Now With Magnets!!] preview image](https://wsrv.3dprinterfiles.com/?url=https://resize.thingiverse.com/?url=https://cdn.thingiverse.com/assets/56/fb/d1/98/6b/Documents.png&w=292&h=219&fit=contain&cbg=white&n=-1&w=640&h=640&output=webp&q=100&n=40&default=https://resize.thingiverse.com/?url=https://cdn.thingiverse.com/assets/56/fb/d1/98/6b/Documents.png&w=292&h=219&fit=contain&cbg=white&n=-1 "Retracc: The Retractable Karambit Knife [Now With Magnets!!] preview image")
